M 5.1 earthquake: North Pacific Ocean (Japan) — January 23, 1984

M 5.1 earthquake: North Pacific Ocean (Japan) — January 23, 1984. Epicenter 668 km SE of Hamamatsu, depth 33 km, 18:26 Local (1984-01-23 09:26 UTC). Readings from every reporting agency, affected towns, aftershock sequence.

North Pacific Ocean (668 km SE, Japan) — 29.443, 141.122

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